// JavaScript Document
//ready 函数
		var readyRE = /complete|loaded|interactive/;
		var ready = window.ready = function (callback) {
			if (readyRE.test(document.readyState) && document.body) callback()
			else document.addEventListener('DOMContentLoaded', function () {
				callback()
			}, false)
		}
		//rem方法
		function ready_rem() {
			var view_width = document.getElementsByTagName('html')[0].getBoundingClientRect().width;
			var _html = document.getElementsByTagName('html')[0];
			if (view_width > 640) {
				_html.style.fontSize = 640 / 16 + 'px'
			} else {
				_html.style.fontSize = view_width / 16 + 'px';
			}
		}
		ready(function () {
			ready_rem();
		});